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Re: LTWOO ER9 & ERX - Electronic groepsets The LTwoo official store and the Ltwoo resellers have the ERX 2x12 and 2x11 groupsets for sale now. They all seemed to drop on AliExpress simultaneously.

https://www.aliexpress.us/item/3256805480174918.html
June 10, 2023, 10:46:16 AM 		1
Re: LTWOO ER9 & ERX - Electronic groepsets
Quote from: Goe on June 08, 2023, 08:54:05 AM
I guess the saving grace of it being such a close to a 105 Di2 copy is that they've copied a time-proven design. It's not like they've created something from scratch leaving alot of room for error. My guess is that there may be problems with the app and firmware more than the physical units but that's just a guess. I'm also very interested in this but may wait for the second version, although er9 is tempting for the price

Problems with the app.
.. when my shimano di2 was brandnew I connected with the shimano app and guess what it did? It crashed the complete system, my bike "forgot" that it had any di2 component. Basically everything was dead. I could luckily solve the issue because the system was also trapped in the Bluetooth connection mode and the battery got empty over night... and after that everything was luckily fine again.

Issues with software and app are nothing the big brands are free of....
June 12, 2023, 07:26:02 AM 		1
Re: LTWOO ER9 & ERX - Electronic groepsets I would also make sure LTWOO isn't shipping out pre-production models.
June 12, 2023, 08:09:06 AM 		1
Re: I'm searching for a racing frame. SC-R49D, LCR0X-D, TT-38 or VB168? You can also check out Yishun, which is the OEM behind Light Carbon. They offer a wider selection of frames. I've recently built-up their R086D race frame:

https://www.yishunbike.com/product/r086-daero-road/

Quality was excellent. The only downsides are that it's press-fit only, and they don't do painting on single-set orders, so you'd have to paint it yourself, or find an affordable painting service near you.
June 12, 2023, 09:28:31 AM 		1
Re: LTWOO ER9 & ERX - Electronic groepsets
Quote from: Goe on June 15, 2023, 06:20:51 AM
Interesting in the video that the batteries inside the seat tube battery can be replaced. This is potentially quite a big plus. They look like AA batteries, so could be replaced out on the road if you forgot to charge/the world over.

They are probably 18650 batteries (just guessing). But still easy to find and cheap, so a big plus indeed.
June 15, 2023, 06:29:54 AM 		1
Re: dcrf26 frame - Scott Foil? Just received UPS tracking for my frame and handlebars. Strangely fast since TanTan originally quoted me 15–20 days for production and it’s only been exactly 7 days since invoice. Maybe they had a spare.
June 15, 2023, 07:19:10 AM 		1
Re: LTWOO ER9 & ERX - Electronic groepsets According to ltwoo store on AliExpress, it's 2x14500 batteries (similar size to AA but different voltage).

I bit the bullet and ordered the groupset off AliExpress, including shipping it :) was $611.50USD after a coupon (JUNE24OT for $24 off) and the sitewide sale on AliExpress
June 15, 2023, 09:47:04 AM 		1
Re: LTWOO ER9 & ERX - Electronic groepsets
Quote from: jonathanf2 on June 15, 2023, 11:33:24 AM
This store which I've bought from before, sells the ERX groupset without batteries. They said it'll ship faster without batteries, but they give a pretty detailed description on which ones to buy locally. I'm guessing you can put higher capacity batteries for longer usage.

https://www.aliexpress.us/item/3256805480272765.html?

Okay so without battery means you will still get the hollow tube shaped holder for actual batteries which are 14500 type. Any idea if the interface/wires are Shimano Di2 compatible, in case someone needs extra or longer ones? From the pictures the port does seem similar to Shimano's.
June 15, 2023, 02:41:55 PM 		1
Re: LTWOO ER9 & ERX - Electronic groepsets The battery thing has me intrigued

They supply the groupset with 2x 800mAh 3.7V 14500 batteries but you can find higher capacity offerings on the market like the 1250mAh 3.7V Vapcell F12
June 15, 2023, 08:32:37 PM 		1
Re: Yishunbike R1058-D @Goe @curvenut

Pic below. The build went smooth. I only struggled to get the Di2 cable through the chainstay, but that was because the guide tubes were removed before painting. Other than that, no issues whatsoever.

@neobiker For me, they usually reply after 1-2 days, expect during holidays. What exactly are you asking them about?
June 21, 2023, 05:48:25 AM 		1